Home / 13,750.67-20,626.72-5,317.16

Finding the Fourth Proportional to 13,750.67, 20,626.72 and 5,317.16

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Solution

The fourth proportional to 13,750.67, 20,626.72 and 5,317.16 is: 7,976.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,750.67 : 20,626.72 = 5,317.16 : x
  2. Step 2: Convert to fraction form
    13,750.67/20,626.72 = 5,317.16/x
  3. Step 3: Cross multiply
    13,750.67x = 20,626.72 × 5,317.16
  4. Step 4: Simplify right side
    13,750.67x = 109,675,454.09
  5. Step 5: Solve for x
    x = 109,675,454.09/13,750.67
  6. Step 6: Final answer
    x = 7,976.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.